80969564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81953}}^1$

素因数の和:81989

約数の個数: 24

約数和(自身を含む): 160629840

約数和(自身を除く): 79660276

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 81953, 163906, 327812, 1065389, 1557107, 2130778, 3114214, 4261556, 6228428, 20242391, 40484782, 80969564]

約数ペア:

[(1, 80969564), (2, 40484782), (4, 20242391), (13, 6228428), (19, 4261556), (26, 3114214), (38, 2130778), (52, 1557107), (76, 1065389), (247, 327812), (494, 163906), (988, 81953)]